Membranes
n. （动物或植物体内的）薄膜( membrane的复数形式 ); 隔膜; （可起防水、防风等作用的）膜状物
🗣️ 情景例句
We had this part of the conversation
我们正谈到这儿
All is not at hand that helps.
有用的东西并不都是垂手可得的。
I gave him fifty pence yesterday and advised him to save it.
昨天，我给了他50便士让存起来，